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Senior Applications Engineer Jobs in Kent, WA (NOW HIRING)

Blue Origin

Sr.Thermal Engineer-Radiator

Seattle, WA

Applications will be accepted on an ongoing basis until the requisition is closed. At Blue Origin ... Perform asa senior thermalleader on the radiator panel design and analysis. Directing the thermal ...

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All JobsApplications Engineer JobsSenior Applications Engineer JobsSenior Applications Engineer Jobs in Kent, WA

Senior Applications Engineer information

See Kent, WA salary details

$78.5K

$145.6K

$206.6K

How much do senior applications engineer jobs pay per year?

As of Aug 6, 2026, the average yearly pay for senior applications engineer in Kent, WA is $145,625.00, according to ZipRecruiter salary data. Most workers in this role earn between $121,900.00 and $163,100.00 per year, depending on experience, location, and employer.

What does a senior applications engineer do?

A Senior Applications Engineer is responsible for designing, developing, and supporting software applications tailored to meet client or business requirements. They collaborate with cross-functional teams to understand user needs, troubleshoot complex software issues, and provide technical guidance throughout the application lifecycle. Additionally, they may mentor junior engineers, help optimize existing systems, and ensure that applications are scalable and secure. Their role often bridges the gap between technical development and customer or business objectives.

What is the difference between Senior Applications Engineer vs Applications Engineer?

AspectSenior Applications EngineerApplications Engineer
Required CredentialsBachelor's degree in engineering or related field; 3+ years experience; certifications like PMP or relevant technical certificationsBachelor's degree in engineering or related field; 1-3 years experience; technical certifications optional
Work EnvironmentDesigns, tests, and implements solutions; collaborates with sales and engineering teamsSupports clients by demonstrating products, troubleshooting, and providing technical assistance
Employer & Industry UsageUsed in manufacturing, tech, and engineering firms for complex solutionsCommon in tech, manufacturing, and industrial sectors for client support roles

The main difference is experience level and responsibilities. Senior Applications Engineers handle complex projects and lead technical solutions, while Applications Engineers focus on supporting clients and product demonstrations. Both roles require technical knowledge, but the senior position demands more experience and leadership skills.

What are the key skills and qualifications needed to thrive as a senior applications engineer?

To thrive as a Senior Applications Engineer, you need advanced expertise in software development, systems design, and troubleshooting, typically supported by a degree in engineering or computer science. Proficiency with programming languages (such as Java, C++, or Python), cloud platforms, and familiarity with tools like Git and CI/CD pipelines are commonly required, along with relevant certifications. Strong problem-solving abilities, effective communication, and project management skills help you collaborate with cross-functional teams and deliver tailored solutions for clients. These skills are crucial for ensuring robust, scalable applications that meet business needs and drive innovation.

How does a senior applications engineer typically collaborate with cross-functional teams on complex projects?

Senior Applications Engineers often work closely with product managers, software developers, and quality assurance teams to deliver tailored solutions for clients. They act as technical liaisons, translating customer requirements into system specifications and ensuring seamless integration with existing platforms. Effective communication and project management skills are essential, as these engineers may lead technical discussions, provide mentorship to junior engineers, and coordinate troubleshooting efforts across departments to meet project deadlines.
What are popular job titles related to Senior Applications Engineer jobs in Kent, WA? For Senior Applications Engineer jobs in Kent, WA, the most frequently searched job titles are:
What cities near Kent, WA are hiring for Senior Applications Engineer jobs? Cities near Kent, WA with the most Senior Applications Engineer job openings:
Senior Applications Engineer jobs near you
Infographic showing various Senior Applications Engineer job openings in Kent, WA as of June 2026, with employment types broken down into 2% As Needed, 80% Full Time, 13% Part Time, 2% Temporary, and 3% Contract. Highlights an 89% Physical, 3% Hybrid, and 8% Remote job distribution, with an average salary of $145,625 per year, or $70 per hour.

Senior Applications Developer

Marsh & McLennan Companies, Inc.

Seattle, WA • On-site

$109K - $150K/yr

Full-time

Posted 28 days ago

Job description

Company:
Guy Carpenter
Description:
As a Senior Software Developer, you will design, develop, implement, and support high-performance, scalable .NET scientific simulation platforms using agile practices. This hands-on role requires both independent work and collaboration to enhance usability, performance, automation, and scalability.
We will count on you to:
  • Develop customer-facing online experiences, including portals, licensing tools, help content, and news features.
  • Build high-performance applications in C#/.NET using modern development standards and best practices.
  • Support migration and development efforts across Azure and other cloud platforms.
  • Collaborate with actuaries, QA, domain experts, and product partners to design, test, and support software tools.
  • Enhance telemetry, reporting, dashboards, and user feedback loops to improve product usability and performance.

What you need to have:
  • 10+ years of software development experience.
  • Expert-level proficiency in C# (v12), .NET (v8), and Visual Studio 2022/2023.
  • Strong knowledge of threading, async/await, LINQ, pattern matching, interoperability, and REST API design.
  • Experience architecting maintainable, flexible, scalable, cloud-native solutions, especially in Azure.
  • Excellent communication, teamwork, and self-motivation skills, with experience working directly with users in an Agile environment.
  • Proven ability to ship commercial software or customer-facing online experiences.
  • Ability to work both remotely and in person, with willingness to travel occasionally.
  • Experience with SQL, Protobuf, and interactive charting/graphing packages.

What makes you stand out:
  • Experience with Object-Oriented Analysis and Design (OOAD).
  • Familiarity with Angular, WebAssembly, HTML, CSS, TypeScript, JavaScript, and jQuery.
  • Additional background in Python, Kubernetes, C++, C++/CLI, or a strong mathematics foundation.
  • Experience working with LLMs and AI agent technologies.

Why join our team:
  • We help you be your best through professional development opportunities, interesting work and supportive leaders.
  • We foster a vibrant and inclusive culture where you can work with talented colleagues to create new solutions and have impact for colleagues, clients and communities.
  • Our scale enables us to provide a range of career opportunities, as well as benefits and rewards to enhance your well-being.

At Guy Carpenter, a Marsh business, you can be your best. We work on challenges that matter with colleagues who help bring out our best. Our uniquely collaborative environment will empower you to focus on your personal and professional success, learning from top specialists in the (re)insurance industry and leading you towards a rewarding and impactful career.
Guy Carpenter is a business of Marsh (NYSE: MRSH), a global leader in risk, reinsurance and capital, people and investments, and management consulting, advising clients in 130 countries. With annual revenue of over $27 billion and more than 95,000 colleagues, Marsh helps build the confidence to thrive through the power of perspective. For more information about Guy Carpenter, visit guycarp.com, or follow us on LinkedIn and X.
Marsh is committed to embracing a diverse, inclusive and flexible work environment. We aim to attract and retain the best people and embrace diversity of age background, disability, ethnic origin, family duties, gender orientation or expression, marital status, nationality, parental status, personal or social status, political affiliation, race, religion and beliefs, sex/gender, sexual orientation or expression, skin color, veteran status (including protected veterans), or any other characteristic protected by applicable law. If you have a need that requires accommodation, please let us know by contacting reasonableaccommodations@marsh.com.
Marsh is committed to hybrid work, which includes the flexibility of working remotely and the collaboration, connections and professional development benefits of working together in the office. All Marsh colleagues are expected to be in their local office or working onsite with clients at least three days per week. Office-based teams will identify at least one "anchor day" per week on which their full team will be together in person.

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